cPanel – Update Analysis Insecure File Permissions (R911-0138)

Type: Insecure File Permissions
Location: Local
Impact: Medium
Product: cPanel
Vulnerable Version: All versions prior to the fixed builds below.
Fixed Version:, &
CVE: -
R911: 0138
Date: 2014-03-31
By: Rack911

Product Description:

cPanel is an easy-to-use control panel that gives web hosts and the website owners they serve, the ability to quickly and easily manage their servers and websites. Web Host Manager (WHM) is a part of the cPanel software, often used by resellers and system administrators.

Vulnerability Description:

There is an option to send update logs to cPanel which is not enabled by default, but if the option is turned on then it is possible for a malicious user to obtain the contents which could include sensitive information in the various access and error logs.


We have deemed this vulnerability to be rated as MEDIUM due to the fact that some sensitive information pertaining to users and admins could be obtained.

Vulnerable Version:

This vulnerability was tested against cPanel 11.40.0 #19 and is believed to exist in all versions prior to the fixed builds below.

Fixed Version:

This vulnerability was patched in cPanel, &

Vendor Contact Timeline:

2014-02-05: Vendor contacted via email.
2014-02-05: Vendor confirms vulnerability.
2014-03-24: Vendor issues updates to all builds.
2014-03-31: Rack911 issues security advisory.